<?php

namespace SPF;
/**
 * 内容处理工具类
 * 提供远程图片获取、内容分页、汉字转拼音等功能
 * @author Tianfeng.Han
 * @package SwooleSystem
 * @subpackage tools
 */
class Content
{
    /**
     * 自动产生分页代码
     * 根据$size提供的长度
     * 将$content分成$sptag分割开的一个文本，可以使用explode实现内容划分
     *
     * @param string $content 内容
     * @param int $spsize 每页内容长度
     * @param string $sptag 分隔符
     * @return bool   是否成功
     */
    function paging(&$content, $spsize, $sptag)
    {
        if (strlen($content) < $spsize) {
            return false;
        }
        $bds = explode('<', $content);
        $npageBody = "";
        $istable = 0;
        $content = "";
        foreach ($bds as $i => $k) {
            if ($i == 0) {
                $npageBody .= $bds[$i];
                continue;
            }
            $bds[$i] = "<" . $bds[$i];
            if (strlen($bds[$i]) > 6) {
                $tname = substr($bds[$i], 1, 5);
                if (strtolower($tname) == 'table') $istable++;
                else if (strtolower($tname) == '/tabl') $istable--;
                if ($istable > 0) {
                    $npageBody .= $bds[$i];
                    continue;
                } else $npageBody .= $bds[$i];
            } else {
                $npageBody .= $bds[$i];
            }
            if (strlen($npageBody) > $spsize) {
                $content .= $npageBody . $sptag;
                $npageBody = "";
            }
        }
        if ($npageBody != "") {
            $content .= $npageBody;
        }
        return true;
    }

    /**
     * 自动将给定的内容$data中远程图片的url改为本地图片，并自动将远程图片保存到本地
     * @param $content
     * @param string $dir
     * @return void
     */
    function image_local(&$content, $dir = '')
    {
        if (empty($dir)) {
            $dir = App::getInstance()->config['upload']['base_dir'] . '/extend/' . date('Ym') . "/" . date("d");
        }
        $chunklist = explode("\n", $content);
        $links = array();
        $regs = array();
        $source = array();
        $i = 0;
        while (list ($id, $chunk) = each($chunklist)) {
            if (strstr(strtolower($chunk), "img") && strstr(strtolower($chunk), "src")) {
                while (eregi("(img[^>]*src[[:blank:]]*)=[[:blank:]]*[\'\"]?(([[a-z]{3,5}://(([.a-zA-Z0-9-])+(:[0-9]+)*))*([+:%/?=&;\\\(\),._a-zA-Z0-9-]*))(#[.a-zA-Z0-9-]*)?[\'\" ]?", $chunk, $regs)) {
                    if ($regs[2]) {
                        $i++;
                        $source[$i] = $regs[2];
                    }
                    $chunk = str_replace($regs[0], "", $chunk);
                }
            }
        }
        $newImg = array();
        foreach ($source as $uri) {
            if (!strstr(WEBROOT, $uri) and $uri{0} != '/') {
                $filename = substr(time(), 6, -1) . rand(100000, 999999) . ".jpg";
                copy($uri, WEBPATH . $dir . '/' . $filename);
                $content = str_replace($uri, WEBROOT . $dir . "/" . $filename, $content);
            }
        }
    }

    /**
     * 汉字转为拼音
     * @param string $str 中文
     * @param string $charset
     * @return string $res 拼音
     */
    function pinyin($str, $charset = 'gb2312')
    {
        return Pinyin($str, $charset);
    }

    //主要是用于pinyin方法
    private function _pinyin($num, &$pinyin)
    {
        if ($num > 0 && $num < 160) {
            return chr($num);
        } elseif ($num < -20319 || $num > -10247) {
            return "";
        } else {
            for ($i = count($pinyin) - 1; $i >= 0; $i--) {
                if ($pinyin[$i][1] <= $num) break;
            }
            return $pinyin[$i][0];
        }
    }

    /**
     * 数字转汉字表示
     *
     */
    function num2han($num)
    {
        $array = array('〇', '一', '二', '三', '四', '五', '六', '七', '八', '九');
        $num = (string)$num;
        $len = strlen($num);
        $str = '';
        for ($i = 0; $i < $len; $i++) {
            $str .= $array[$num{$i}];
        }
        return $str;
    }
}

function Pinyin($_String, $_Code = 'gb2312')
{
    $_DataKey = "a|ai|an|ang|ao|ba|bai|ban|bang|bao|bei|ben|beng|bi|bian|biao|bie|bin|bing|bo|bu|ca|cai|can|cang|cao|ce|ceng|cha" .
        "|chai|chan|chang|chao|che|chen|cheng|chi|chong|chou|chu|chuai|chuan|chuang|chui|chun|chuo|ci|cong|cou|cu|" .
        "cuan|cui|cun|cuo|da|dai|dan|dang|dao|de|deng|di|dian|diao|die|ding|diu|dong|dou|du|duan|dui|dun|duo|e|en|er" .
        "|fa|fan|fang|fei|fen|feng|fo|fou|fu|ga|gai|gan|gang|gao|ge|gei|gen|geng|gong|gou|gu|gua|guai|guan|guang|gui" .
        "|gun|guo|ha|hai|han|hang|hao|he|hei|hen|heng|hong|hou|hu|hua|huai|huan|huang|hui|hun|huo|ji|jia|jian|jiang" .
        "|jiao|jie|jin|jing|jiong|jiu|ju|juan|jue|jun|ka|kai|kan|kang|kao|ke|ken|keng|kong|kou|ku|kua|kuai|kuan|kuang" .
        "|kui|kun|kuo|la|lai|lan|lang|lao|le|lei|leng|li|lia|lian|liang|liao|lie|lin|ling|liu|long|lou|lu|lv|luan|lue" .
        "|lun|luo|ma|mai|man|mang|mao|me|mei|men|meng|mi|mian|miao|mie|min|ming|miu|mo|mou|mu|na|nai|nan|nang|nao|ne" .
        "|nei|nen|neng|ni|nian|niang|niao|nie|nin|ning|niu|nong|nu|nv|nuan|nue|nuo|o|ou|pa|pai|pan|pang|pao|pei|pen" .
        "|peng|pi|pian|piao|pie|pin|ping|po|pu|qi|qia|qian|qiang|qiao|qie|qin|qing|qiong|qiu|qu|quan|que|qun|ran|rang" .
        "|rao|re|ren|reng|ri|rong|rou|ru|ruan|rui|run|ruo|sa|sai|san|sang|sao|se|sen|seng|sha|shai|shan|shang|shao|" .
        "she|shen|sheng|shi|shou|shu|shua|shuai|shuan|shuang|shui|shun|shuo|si|song|sou|su|suan|sui|sun|suo|ta|tai|" .
        "tan|tang|tao|te|teng|ti|tian|tiao|tie|ting|tong|tou|tu|tuan|tui|tun|tuo|wa|wai|wan|wang|wei|wen|weng|wo|wu" .
        "|xi|xia|xian|xiang|xiao|xie|xin|xing|xiong|xiu|xu|xuan|xue|xun|ya|yan|yang|yao|ye|yi|yin|ying|yo|yong|you" .
        "|yu|yuan|yue|yun|za|zai|zan|zang|zao|ze|zei|zen|zeng|zha|zhai|zhan|zhang|zhao|zhe|zhen|zheng|zhi|zhong|" .
        "zhou|zhu|zhua|zhuai|zhuan|zhuang|zhui|zhun|zhuo|zi|zong|zou|zu|zuan|zui|zun|zuo";

    $_DataValue = "-20319|-20317|-20304|-20295|-20292|-20283|-20265|-20257|-20242|-20230|-20051|-20036|-20032|-20026|-20002|-19990" .
        "|-19986|-19982|-19976|-19805|-19784|-19775|-19774|-19763|-19756|-19751|-19746|-19741|-19739|-19728|-19725" .
        "|-19715|-19540|-19531|-19525|-19515|-19500|-19484|-19479|-19467|-19289|-19288|-19281|-19275|-19270|-19263" .
        "|-19261|-19249|-19243|-19242|-19238|-19235|-19227|-19224|-19218|-19212|-19038|-19023|-19018|-19006|-19003" .
        "|-18996|-18977|-18961|-18952|-18783|-18774|-18773|-18763|-18756|-18741|-18735|-18731|-18722|-18710|-18697" .
        "|-18696|-18526|-18518|-18501|-18490|-18478|-18463|-18448|-18447|-18446|-18239|-18237|-18231|-18220|-18211" .
        "|-18201|-18184|-18183|-18181|-18012|-17997|-17988|-17970|-17964|-17961|-17950|-17947|-17931|-17928|-17922" .
        "|-17759|-17752|-17733|-17730|-17721|-17703|-17701|-17697|-17692|-17683|-17676|-17496|-17487|-17482|-17468" .
        "|-17454|-17433|-17427|-17417|-17202|-17185|-16983|-16970|-16942|-16915|-16733|-16708|-16706|-16689|-16664" .
        "|-16657|-16647|-16474|-16470|-16465|-16459|-16452|-16448|-16433|-16429|-16427|-16423|-16419|-16412|-16407" .
        "|-16403|-16401|-16393|-16220|-16216|-16212|-16205|-16202|-16187|-16180|-16171|-16169|-16158|-16155|-15959" .
        "|-15958|-15944|-15933|-15920|-15915|-15903|-15889|-15878|-15707|-15701|-15681|-15667|-15661|-15659|-15652" .
        "|-15640|-15631|-15625|-15454|-15448|-15436|-15435|-15419|-15416|-15408|-15394|-15385|-15377|-15375|-15369" .
        "|-15363|-15362|-15183|-15180|-15165|-15158|-15153|-15150|-15149|-15144|-15143|-15141|-15140|-15139|-15128" .
        "|-15121|-15119|-15117|-15110|-15109|-14941|-14937|-14933|-14930|-14929|-14928|-14926|-14922|-14921|-14914" .
        "|-14908|-14902|-14894|-14889|-14882|-14873|-14871|-14857|-14678|-14674|-14670|-14668|-14663|-14654|-14645" .
        "|-14630|-14594|-14429|-14407|-14399|-14384|-14379|-14368|-14355|-14353|-14345|-14170|-14159|-14151|-14149" .
        "|-14145|-14140|-14137|-14135|-14125|-14123|-14122|-14112|-14109|-14099|-14097|-14094|-14092|-14090|-14087" .
        "|-14083|-13917|-13914|-13910|-13907|-13906|-13905|-13896|-13894|-13878|-13870|-13859|-13847|-13831|-13658" .
        "|-13611|-13601|-13406|-13404|-13400|-13398|-13395|-13391|-13387|-13383|-13367|-13359|-13356|-13343|-13340" .
        "|-13329|-13326|-13318|-13147|-13138|-13120|-13107|-13096|-13095|-13091|-13076|-13068|-13063|-13060|-12888" .
        "|-12875|-12871|-12860|-12858|-12852|-12849|-12838|-12831|-12829|-12812|-12802|-12607|-12597|-12594|-12585" .
        "|-12556|-12359|-12346|-12320|-12300|-12120|-12099|-12089|-12074|-12067|-12058|-12039|-11867|-11861|-11847" .
        "|-11831|-11798|-11781|-11604|-11589|-11536|-11358|-11340|-11339|-11324|-11303|-11097|-11077|-11067|-11055" .
        "|-11052|-11045|-11041|-11038|-11024|-11020|-11019|-11018|-11014|-10838|-10832|-10815|-10800|-10790|-10780" .
        "|-10764|-10587|-10544|-10533|-10519|-10331|-10329|-10328|-10322|-10315|-10309|-10307|-10296|-10281|-10274" .
        "|-10270|-10262|-10260|-10256|-10254";
    $_TDataKey = explode('|', $_DataKey);
    $_TDataValue = explode('|', $_DataValue);

    $_Data = (PHP_VERSION >= '5.0') ? array_combine($_TDataKey, $_TDataValue) : _Array_Combine($_TDataKey, $_TDataValue);
    arsort($_Data);
    reset($_Data);

    if ($_Code != 'gb2312') $_String = _U2_Utf8_Gb($_String);
    $_Res = '';
    for ($i = 0; $i < strlen($_String); $i++) {
        $_P = ord(substr($_String, $i, 1));
        if ($_P > 160) {
            $_Q = ord(substr($_String, ++$i, 1));
            $_P = $_P * 256 + $_Q - 65536;
        }
        $_Res .= _Pinyin($_P, $_Data);
    }
    return preg_replace("/[^a-z0-9]*/", '', $_Res);
}

function _Pinyin($_Num, $_Data)
{
    if ($_Num > 0 && $_Num < 160) return chr($_Num);
    elseif ($_Num < -20319 || $_Num > -10247) return '';
    else {
        foreach ($_Data as $k => $v) {
            if ($v <= $_Num) break;
        }
        return $k;
    }
}

function _U2_Utf8_Gb($_C)
{
    $_String = '';
    if ($_C < 0x80) $_String .= $_C;
    elseif ($_C < 0x800) {
        $_String .= chr(0xC0 | $_C >> 6);
        $_String .= chr(0x80 | $_C & 0x3F);
    } elseif ($_C < 0x10000) {
        $_String .= chr(0xE0 | $_C >> 12);
        $_String .= chr(0x80 | $_C >> 6 & 0x3F);
        $_String .= chr(0x80 | $_C & 0x3F);
    } elseif ($_C < 0x200000) {
        $_String .= chr(0xF0 | $_C >> 18);
        $_String .= chr(0x80 | $_C >> 12 & 0x3F);
        $_String .= chr(0x80 | $_C >> 6 & 0x3F);
        $_String .= chr(0x80 | $_C & 0x3F);
    }
    return iconv('UTF-8', 'GB2312', $_String);
}

function _array_combine($_Arr1, $_Arr2)
{
    $_res = [];
    for ($i = 0; $i < count($_Arr1); $i++) {
        $_res[$_Arr1[$i]] = $_Arr2[$i];
    }
    return $_res;
}
